Home / 45,031.18-67,501.41-21,644.86

Finding the Fourth Proportional to 45,031.18, 67,501.41 and 21,644.86

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Solution

The fourth proportional to 45,031.18, 67,501.41 and 21,644.86 is: 32,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.18 : 67,501.41 = 21,644.86 : x
  2. Step 2: Convert to fraction form
    45,031.18/67,501.41 = 21,644.86/x
  3. Step 3: Cross multiply
    45,031.18x = 67,501.41 × 21,644.86
  4. Step 4: Simplify right side
    45,031.18x = 1,461,058,569.25
  5. Step 5: Solve for x
    x = 1,461,058,569.25/45,031.18
  6. Step 6: Final answer
    x = 32,445.49

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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.