Home / 55,335.31-76,355.02-31,459.34

Finding the Fourth Proportional to 55,335.31, 76,355.02 and 31,459.34

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Solution

The fourth proportional to 55,335.31, 76,355.02 and 31,459.34 is: 43,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.31 : 76,355.02 = 31,459.34 : x
  2. Step 2: Convert to fraction form
    55,335.31/76,355.02 = 31,459.34/x
  3. Step 3: Cross multiply
    55,335.31x = 76,355.02 × 31,459.34
  4. Step 4: Simplify right side
    55,335.31x = 2,402,078,765.10
  5. Step 5: Solve for x
    x = 2,402,078,765.10/55,335.31
  6. Step 6: Final answer
    x = 43,409.51

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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.