Home / 39,574.68-59,376.08-13,279.40

Finding the Fourth Proportional to 39,574.68, 59,376.08 and 13,279.40

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Solution

The fourth proportional to 39,574.68, 59,376.08 and 13,279.40 is: 19,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.68 : 59,376.08 = 13,279.40 : x
  2. Step 2: Convert to fraction form
    39,574.68/59,376.08 = 13,279.40/x
  3. Step 3: Cross multiply
    39,574.68x = 59,376.08 × 13,279.40
  4. Step 4: Simplify right side
    39,574.68x = 788,478,716.75
  5. Step 5: Solve for x
    x = 788,478,716.75/39,574.68
  6. Step 6: Final answer
    x = 19,923.82

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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.