Home / 56,378.64-84,565.68-14,258.16

Finding the Fourth Proportional to 56,378.64, 84,565.68 and 14,258.16

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Solution

The fourth proportional to 56,378.64, 84,565.68 and 14,258.16 is: 21,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.64 : 84,565.68 = 14,258.16 : x
  2. Step 2: Convert to fraction form
    56,378.64/84,565.68 = 14,258.16/x
  3. Step 3: Cross multiply
    56,378.64x = 84,565.68 × 14,258.16
  4. Step 4: Simplify right side
    56,378.64x = 1,205,750,995.95
  5. Step 5: Solve for x
    x = 1,205,750,995.95/56,378.64
  6. Step 6: Final answer
    x = 21,386.66

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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.