Home / 45,332.51-67,543.13-42,785.97

Finding the Fourth Proportional to 45,332.51, 67,543.13 and 42,785.97

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Solution

The fourth proportional to 45,332.51, 67,543.13 and 42,785.97 is: 63,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.51 : 67,543.13 = 42,785.97 : x
  2. Step 2: Convert to fraction form
    45,332.51/67,543.13 = 42,785.97/x
  3. Step 3: Cross multiply
    45,332.51x = 67,543.13 × 42,785.97
  4. Step 4: Simplify right side
    45,332.51x = 2,889,898,440.85
  5. Step 5: Solve for x
    x = 2,889,898,440.85/45,332.51
  6. Step 6: Final answer
    x = 63,748.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.