Home / 39,570.88-59,346.60-13,275.04

Finding the Fourth Proportional to 39,570.88, 59,346.60 and 13,275.04

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Solution

The fourth proportional to 39,570.88, 59,346.60 and 13,275.04 is: 19,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.88 : 59,346.60 = 13,275.04 : x
  2. Step 2: Convert to fraction form
    39,570.88/59,346.60 = 13,275.04/x
  3. Step 3: Cross multiply
    39,570.88x = 59,346.60 × 13,275.04
  4. Step 4: Simplify right side
    39,570.88x = 787,828,488.86
  5. Step 5: Solve for x
    x = 787,828,488.86/39,570.88
  6. Step 6: Final answer
    x = 19,909.30

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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.