Home / 42,484.34-58,631.26-28,119.43

Finding the Fourth Proportional to 42,484.34, 58,631.26 and 28,119.43

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Solution

The fourth proportional to 42,484.34, 58,631.26 and 28,119.43 is: 38,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.34 : 58,631.26 = 28,119.43 : x
  2. Step 2: Convert to fraction form
    42,484.34/58,631.26 = 28,119.43/x
  3. Step 3: Cross multiply
    42,484.34x = 58,631.26 × 28,119.43
  4. Step 4: Simplify right side
    42,484.34x = 1,648,677,177.63
  5. Step 5: Solve for x
    x = 1,648,677,177.63/42,484.34
  6. Step 6: Final answer
    x = 38,806.70

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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.