Home / 37,612.56-51,916.76-21,707.40

Finding the Fourth Proportional to 37,612.56, 51,916.76 and 21,707.40

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Solution

The fourth proportional to 37,612.56, 51,916.76 and 21,707.40 is: 29,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.56 : 51,916.76 = 21,707.40 : x
  2. Step 2: Convert to fraction form
    37,612.56/51,916.76 = 21,707.40/x
  3. Step 3: Cross multiply
    37,612.56x = 51,916.76 × 21,707.40
  4. Step 4: Simplify right side
    37,612.56x = 1,126,977,876.02
  5. Step 5: Solve for x
    x = 1,126,977,876.02/37,612.56
  6. Step 6: Final answer
    x = 29,962.81

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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.