Home / 42,000.63-57,960.86-23,138.97

Finding the Fourth Proportional to 42,000.63, 57,960.86 and 23,138.97

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Solution

The fourth proportional to 42,000.63, 57,960.86 and 23,138.97 is: 31,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.63 : 57,960.86 = 23,138.97 : x
  2. Step 2: Convert to fraction form
    42,000.63/57,960.86 = 23,138.97/x
  3. Step 3: Cross multiply
    42,000.63x = 57,960.86 × 23,138.97
  4. Step 4: Simplify right side
    42,000.63x = 1,341,154,600.71
  5. Step 5: Solve for x
    x = 1,341,154,600.71/42,000.63
  6. Step 6: Final answer
    x = 31,931.77

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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.