Home / 56,444.40-84,665.76-13,750.32

Finding the Fourth Proportional to 56,444.40, 84,665.76 and 13,750.32

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Solution

The fourth proportional to 56,444.40, 84,665.76 and 13,750.32 is: 20,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,444.40 : 84,665.76 = 13,750.32 : x
  2. Step 2: Convert to fraction form
    56,444.40/84,665.76 = 13,750.32/x
  3. Step 3: Cross multiply
    56,444.40x = 84,665.76 × 13,750.32
  4. Step 4: Simplify right side
    56,444.40x = 1,164,181,293.04
  5. Step 5: Solve for x
    x = 1,164,181,293.04/56,444.40
  6. Step 6: Final answer
    x = 20,625.28

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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.