Home / 42,484.09-58,630.91-28,119.18

Finding the Fourth Proportional to 42,484.09, 58,630.91 and 28,119.18

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Solution

The fourth proportional to 42,484.09, 58,630.91 and 28,119.18 is: 38,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,484.09 : 58,630.91 = 28,119.18 : x
  2. Step 2: Convert to fraction form
    42,484.09/58,630.91 = 28,119.18/x
  3. Step 3: Cross multiply
    42,484.09x = 58,630.91 × 28,119.18
  4. Step 4: Simplify right side
    42,484.09x = 1,648,652,818.70
  5. Step 5: Solve for x
    x = 1,648,652,818.70/42,484.09
  6. Step 6: Final answer
    x = 38,806.36

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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.