Home / 47,274-70,931.32-17,688.08

Finding the Fourth Proportional to 47,274, 70,931.32 and 17,688.08

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Solution

The fourth proportional to 47,274, 70,931.32 and 17,688.08 is: 26,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274 : 70,931.32 = 17,688.08 : x
  2. Step 2: Convert to fraction form
    47,274/70,931.32 = 17,688.08/x
  3. Step 3: Cross multiply
    47,274x = 70,931.32 × 17,688.08
  4. Step 4: Simplify right side
    47,274x = 1,254,638,862.67
  5. Step 5: Solve for x
    x = 1,254,638,862.67/47,274
  6. Step 6: Final answer
    x = 26,539.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.