Home / 55,430.48-76,494.30-30,280.52

Finding the Fourth Proportional to 55,430.48, 76,494.30 and 30,280.52

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Solution

The fourth proportional to 55,430.48, 76,494.30 and 30,280.52 is: 41,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.48 : 76,494.30 = 30,280.52 : x
  2. Step 2: Convert to fraction form
    55,430.48/76,494.30 = 30,280.52/x
  3. Step 3: Cross multiply
    55,430.48x = 76,494.30 × 30,280.52
  4. Step 4: Simplify right side
    55,430.48x = 2,316,287,181.04
  5. Step 5: Solve for x
    x = 2,316,287,181.04/55,430.48
  6. Step 6: Final answer
    x = 41,787.25

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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.