Home / 39,715.04-59,574.08-19,982.88

Finding the Fourth Proportional to 39,715.04, 59,574.08 and 19,982.88

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Solution

The fourth proportional to 39,715.04, 59,574.08 and 19,982.88 is: 29,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.04 : 59,574.08 = 19,982.88 : x
  2. Step 2: Convert to fraction form
    39,715.04/59,574.08 = 19,982.88/x
  3. Step 3: Cross multiply
    39,715.04x = 59,574.08 × 19,982.88
  4. Step 4: Simplify right side
    39,715.04x = 1,190,461,691.75
  5. Step 5: Solve for x
    x = 1,190,461,691.75/39,715.04
  6. Step 6: Final answer
    x = 29,975.08

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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.