Home / 56,721.39-78,191.59-36,301.18

Finding the Fourth Proportional to 56,721.39, 78,191.59 and 36,301.18

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Solution

The fourth proportional to 56,721.39, 78,191.59 and 36,301.18 is: 50,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.39 : 78,191.59 = 36,301.18 : x
  2. Step 2: Convert to fraction form
    56,721.39/78,191.59 = 36,301.18/x
  3. Step 3: Cross multiply
    56,721.39x = 78,191.59 × 36,301.18
  4. Step 4: Simplify right side
    56,721.39x = 2,838,446,983.08
  5. Step 5: Solve for x
    x = 2,838,446,983.08/56,721.39
  6. Step 6: Final answer
    x = 50,041.92

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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.