Home / 38,038.72-57,036.12-11,736.40

Finding the Fourth Proportional to 38,038.72, 57,036.12 and 11,736.40

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Solution

The fourth proportional to 38,038.72, 57,036.12 and 11,736.40 is: 17,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.72 : 57,036.12 = 11,736.40 : x
  2. Step 2: Convert to fraction form
    38,038.72/57,036.12 = 11,736.40/x
  3. Step 3: Cross multiply
    38,038.72x = 57,036.12 × 11,736.40
  4. Step 4: Simplify right side
    38,038.72x = 669,398,718.77
  5. Step 5: Solve for x
    x = 669,398,718.77/38,038.72
  6. Step 6: Final answer
    x = 17,597.82

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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.