Home / 53,731.10-80,612.74-21,693.68

Finding the Fourth Proportional to 53,731.10, 80,612.74 and 21,693.68

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Solution

The fourth proportional to 53,731.10, 80,612.74 and 21,693.68 is: 32,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.10 : 80,612.74 = 21,693.68 : x
  2. Step 2: Convert to fraction form
    53,731.10/80,612.74 = 21,693.68/x
  3. Step 3: Cross multiply
    53,731.10x = 80,612.74 × 21,693.68
  4. Step 4: Simplify right side
    53,731.10x = 1,748,786,985.48
  5. Step 5: Solve for x
    x = 1,748,786,985.48/53,731.10
  6. Step 6: Final answer
    x = 32,547.02

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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.