Home / 56,572.56-78,070.16-31,422.06

Finding the Fourth Proportional to 56,572.56, 78,070.16 and 31,422.06

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Solution

The fourth proportional to 56,572.56, 78,070.16 and 31,422.06 is: 43,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.56 : 78,070.16 = 31,422.06 : x
  2. Step 2: Convert to fraction form
    56,572.56/78,070.16 = 31,422.06/x
  3. Step 3: Cross multiply
    56,572.56x = 78,070.16 × 31,422.06
  4. Step 4: Simplify right side
    56,572.56x = 2,453,125,330.28
  5. Step 5: Solve for x
    x = 2,453,125,330.28/56,572.56
  6. Step 6: Final answer
    x = 43,362.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.