Home / 38,298.66-57,448.02-12,005.45

Finding the Fourth Proportional to 38,298.66, 57,448.02 and 12,005.45

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Solution

The fourth proportional to 38,298.66, 57,448.02 and 12,005.45 is: 18,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.66 : 57,448.02 = 12,005.45 : x
  2. Step 2: Convert to fraction form
    38,298.66/57,448.02 = 12,005.45/x
  3. Step 3: Cross multiply
    38,298.66x = 57,448.02 × 12,005.45
  4. Step 4: Simplify right side
    38,298.66x = 689,689,331.71
  5. Step 5: Solve for x
    x = 689,689,331.71/38,298.66
  6. Step 6: Final answer
    x = 18,008.18

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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.