Home / 39,317.44-58,948.35-12,655.17

Finding the Fourth Proportional to 39,317.44, 58,948.35 and 12,655.17

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Solution

The fourth proportional to 39,317.44, 58,948.35 and 12,655.17 is: 18,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,317.44 : 58,948.35 = 12,655.17 : x
  2. Step 2: Convert to fraction form
    39,317.44/58,948.35 = 12,655.17/x
  3. Step 3: Cross multiply
    39,317.44x = 58,948.35 × 12,655.17
  4. Step 4: Simplify right side
    39,317.44x = 746,001,390.47
  5. Step 5: Solve for x
    x = 746,001,390.47/39,317.44
  6. Step 6: Final answer
    x = 18,973.80

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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.