Home / 39,561.74-59,338.05-9,979.84

Finding the Fourth Proportional to 39,561.74, 59,338.05 and 9,979.84

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Solution

The fourth proportional to 39,561.74, 59,338.05 and 9,979.84 is: 14,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.74 : 59,338.05 = 9,979.84 : x
  2. Step 2: Convert to fraction form
    39,561.74/59,338.05 = 9,979.84/x
  3. Step 3: Cross multiply
    39,561.74x = 59,338.05 × 9,979.84
  4. Step 4: Simplify right side
    39,561.74x = 592,184,244.91
  5. Step 5: Solve for x
    x = 592,184,244.91/39,561.74
  6. Step 6: Final answer
    x = 14,968.61

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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.