Home / 74,887.38-112,330.86-30,503.70

Finding the Fourth Proportional to 74,887.38, 112,330.86 and 30,503.70

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Solution

The fourth proportional to 74,887.38, 112,330.86 and 30,503.70 is: 45,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887.38 : 112,330.86 = 30,503.70 : x
  2. Step 2: Convert to fraction form
    74,887.38/112,330.86 = 30,503.70/x
  3. Step 3: Cross multiply
    74,887.38x = 112,330.86 × 30,503.70
  4. Step 4: Simplify right side
    74,887.38x = 3,426,506,854.18
  5. Step 5: Solve for x
    x = 3,426,506,854.18/74,887.38
  6. Step 6: Final answer
    x = 45,755.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.