Home / 56,079.47-84,118.86-13,959.33

Finding the Fourth Proportional to 56,079.47, 84,118.86 and 13,959.33

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Solution

The fourth proportional to 56,079.47, 84,118.86 and 13,959.33 is: 20,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.47 : 84,118.86 = 13,959.33 : x
  2. Step 2: Convert to fraction form
    56,079.47/84,118.86 = 13,959.33/x
  3. Step 3: Cross multiply
    56,079.47x = 84,118.86 × 13,959.33
  4. Step 4: Simplify right side
    56,079.47x = 1,174,242,925.96
  5. Step 5: Solve for x
    x = 1,174,242,925.96/56,079.47
  6. Step 6: Final answer
    x = 20,938.91

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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.