Home / 39,400.52-59,100.80-9,819.32

Finding the Fourth Proportional to 39,400.52, 59,100.80 and 9,819.32

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Solution

The fourth proportional to 39,400.52, 59,100.80 and 9,819.32 is: 14,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.52 : 59,100.80 = 9,819.32 : x
  2. Step 2: Convert to fraction form
    39,400.52/59,100.80 = 9,819.32/x
  3. Step 3: Cross multiply
    39,400.52x = 59,100.80 × 9,819.32
  4. Step 4: Simplify right side
    39,400.52x = 580,329,667.46
  5. Step 5: Solve for x
    x = 580,329,667.46/39,400.52
  6. Step 6: Final answer
    x = 14,728.98

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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.