Home / 39,380.87-59,071.17-9,798.70

Finding the Fourth Proportional to 39,380.87, 59,071.17 and 9,798.70

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Solution

The fourth proportional to 39,380.87, 59,071.17 and 9,798.70 is: 14,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.87 : 59,071.17 = 9,798.70 : x
  2. Step 2: Convert to fraction form
    39,380.87/59,071.17 = 9,798.70/x
  3. Step 3: Cross multiply
    39,380.87x = 59,071.17 × 9,798.70
  4. Step 4: Simplify right side
    39,380.87x = 578,820,378.12
  5. Step 5: Solve for x
    x = 578,820,378.12/39,380.87
  6. Step 6: Final answer
    x = 14,698.01

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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.