Home / 55,776.25-77,036.84-37,840.15

Finding the Fourth Proportional to 55,776.25, 77,036.84 and 37,840.15

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Solution

The fourth proportional to 55,776.25, 77,036.84 and 37,840.15 is: 52,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.25 : 77,036.84 = 37,840.15 : x
  2. Step 2: Convert to fraction form
    55,776.25/77,036.84 = 37,840.15/x
  3. Step 3: Cross multiply
    55,776.25x = 77,036.84 × 37,840.15
  4. Step 4: Simplify right side
    55,776.25x = 2,915,085,581.13
  5. Step 5: Solve for x
    x = 2,915,085,581.13/55,776.25
  6. Step 6: Final answer
    x = 52,263.92

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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.