Home / 38,330.16-57,412.08-18,567.12

Finding the Fourth Proportional to 38,330.16, 57,412.08 and 18,567.12

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Solution

The fourth proportional to 38,330.16, 57,412.08 and 18,567.12 is: 27,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.16 : 57,412.08 = 18,567.12 : x
  2. Step 2: Convert to fraction form
    38,330.16/57,412.08 = 18,567.12/x
  3. Step 3: Cross multiply
    38,330.16x = 57,412.08 × 18,567.12
  4. Step 4: Simplify right side
    38,330.16x = 1,065,976,978.81
  5. Step 5: Solve for x
    x = 1,065,976,978.81/38,330.16
  6. Step 6: Final answer
    x = 27,810.40

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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.