Home / 39,030.17-58,551.36-12,728.80

Finding the Fourth Proportional to 39,030.17, 58,551.36 and 12,728.80

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Solution

The fourth proportional to 39,030.17, 58,551.36 and 12,728.80 is: 19,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.17 : 58,551.36 = 12,728.80 : x
  2. Step 2: Convert to fraction form
    39,030.17/58,551.36 = 12,728.80/x
  3. Step 3: Cross multiply
    39,030.17x = 58,551.36 × 12,728.80
  4. Step 4: Simplify right side
    39,030.17x = 745,288,194.77
  5. Step 5: Solve for x
    x = 745,288,194.77/39,030.17
  6. Step 6: Final answer
    x = 19,095.18

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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.