Home / 55,877.52-77,110.74-30,726.48

Finding the Fourth Proportional to 55,877.52, 77,110.74 and 30,726.48

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Solution

The fourth proportional to 55,877.52, 77,110.74 and 30,726.48 is: 42,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.52 : 77,110.74 = 30,726.48 : x
  2. Step 2: Convert to fraction form
    55,877.52/77,110.74 = 30,726.48/x
  3. Step 3: Cross multiply
    55,877.52x = 77,110.74 × 30,726.48
  4. Step 4: Simplify right side
    55,877.52x = 2,369,341,610.40
  5. Step 5: Solve for x
    x = 2,369,341,610.40/55,877.52
  6. Step 6: Final answer
    x = 42,402.41

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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.