Home / 56,009.79-77,293.53-30,859.29

Finding the Fourth Proportional to 56,009.79, 77,293.53 and 30,859.29

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Solution

The fourth proportional to 56,009.79, 77,293.53 and 30,859.29 is: 42,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.79 : 77,293.53 = 30,859.29 : x
  2. Step 2: Convert to fraction form
    56,009.79/77,293.53 = 30,859.29/x
  3. Step 3: Cross multiply
    56,009.79x = 77,293.53 × 30,859.29
  4. Step 4: Simplify right side
    56,009.79x = 2,385,223,457.39
  5. Step 5: Solve for x
    x = 2,385,223,457.39/56,009.79
  6. Step 6: Final answer
    x = 42,585.83

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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.