Home / 56,779.49-85,169.55-14,656.70

Finding the Fourth Proportional to 56,779.49, 85,169.55 and 14,656.70

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Solution

The fourth proportional to 56,779.49, 85,169.55 and 14,656.70 is: 21,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.49 : 85,169.55 = 14,656.70 : x
  2. Step 2: Convert to fraction form
    56,779.49/85,169.55 = 14,656.70/x
  3. Step 3: Cross multiply
    56,779.49x = 85,169.55 × 14,656.70
  4. Step 4: Simplify right side
    56,779.49x = 1,248,304,117.64
  5. Step 5: Solve for x
    x = 1,248,304,117.64/56,779.49
  6. Step 6: Final answer
    x = 21,985.12

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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.