Home / 55,887.47-77,124.86-30,736.97

Finding the Fourth Proportional to 55,887.47, 77,124.86 and 30,736.97

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Solution

The fourth proportional to 55,887.47, 77,124.86 and 30,736.97 is: 42,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.47 : 77,124.86 = 30,736.97 : x
  2. Step 2: Convert to fraction form
    55,887.47/77,124.86 = 30,736.97/x
  3. Step 3: Cross multiply
    55,887.47x = 77,124.86 × 30,736.97
  4. Step 4: Simplify right side
    55,887.47x = 2,370,584,373.25
  5. Step 5: Solve for x
    x = 2,370,584,373.25/55,887.47
  6. Step 6: Final answer
    x = 42,417.10

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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.