Home / 56,357.04-77,772.85-30,865.08

Finding the Fourth Proportional to 56,357.04, 77,772.85 and 30,865.08

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Solution

The fourth proportional to 56,357.04, 77,772.85 and 30,865.08 is: 42,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.04 : 77,772.85 = 30,865.08 : x
  2. Step 2: Convert to fraction form
    56,357.04/77,772.85 = 30,865.08/x
  3. Step 3: Cross multiply
    56,357.04x = 77,772.85 × 30,865.08
  4. Step 4: Simplify right side
    56,357.04x = 2,400,465,237.08
  5. Step 5: Solve for x
    x = 2,400,465,237.08/56,357.04
  6. Step 6: Final answer
    x = 42,593.88

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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.