Home / 39,319.68-58,937.98-28,220.35

Finding the Fourth Proportional to 39,319.68, 58,937.98 and 28,220.35

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Solution

The fourth proportional to 39,319.68, 58,937.98 and 28,220.35 is: 42,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.68 : 58,937.98 = 28,220.35 : x
  2. Step 2: Convert to fraction form
    39,319.68/58,937.98 = 28,220.35/x
  3. Step 3: Cross multiply
    39,319.68x = 58,937.98 × 28,220.35
  4. Step 4: Simplify right side
    39,319.68x = 1,663,250,369.42
  5. Step 5: Solve for x
    x = 1,663,250,369.42/39,319.68
  6. Step 6: Final answer
    x = 42,300.71

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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.