Home / 30,748,659.64-42,439,637.94-25,586,989.72

Finding the Fourth Proportional to 30,748,659.64, 42,439,637.94 and 25,586,989.72

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Solution

The fourth proportional to 30,748,659.64, 42,439,637.94 and 25,586,989.72 is: 35,315,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748,659.64 : 42,439,637.94 = 25,586,989.72 : x
  2. Step 2: Convert to fraction form
    30,748,659.64/42,439,637.94 = 25,586,989.72/x
  3. Step 3: Cross multiply
    30,748,659.64x = 42,439,637.94 × 25,586,989.72
  4. Step 4: Simplify right side
    30,748,659.64x = 1,085,902,579,691,301.88
  5. Step 5: Solve for x
    x = 1,085,902,579,691,301.88/30,748,659.64
  6. Step 6: Final answer
    x = 35,315,444.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.