Home / 39,607.40-59,328.30-18,565.40

Finding the Fourth Proportional to 39,607.40, 59,328.30 and 18,565.40

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Solution

The fourth proportional to 39,607.40, 59,328.30 and 18,565.40 is: 27,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.40 : 59,328.30 = 18,565.40 : x
  2. Step 2: Convert to fraction form
    39,607.40/59,328.30 = 18,565.40/x
  3. Step 3: Cross multiply
    39,607.40x = 59,328.30 × 18,565.40
  4. Step 4: Simplify right side
    39,607.40x = 1,101,453,620.82
  5. Step 5: Solve for x
    x = 1,101,453,620.82/39,607.40
  6. Step 6: Final answer
    x = 27,809.29

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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.