Home / 38,750.13-58,111.52-12,445.99

Finding the Fourth Proportional to 38,750.13, 58,111.52 and 12,445.99

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Solution

The fourth proportional to 38,750.13, 58,111.52 and 12,445.99 is: 18,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,750.13 : 58,111.52 = 12,445.99 : x
  2. Step 2: Convert to fraction form
    38,750.13/58,111.52 = 12,445.99/x
  3. Step 3: Cross multiply
    38,750.13x = 58,111.52 × 12,445.99
  4. Step 4: Simplify right side
    38,750.13x = 723,255,189.30
  5. Step 5: Solve for x
    x = 723,255,189.30/38,750.13
  6. Step 6: Final answer
    x = 18,664.59

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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.