Home / 36,587.79-50,488.02-21,478.86

Finding the Fourth Proportional to 36,587.79, 50,488.02 and 21,478.86

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Solution

The fourth proportional to 36,587.79, 50,488.02 and 21,478.86 is: 29,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,587.79 : 50,488.02 = 21,478.86 : x
  2. Step 2: Convert to fraction form
    36,587.79/50,488.02 = 21,478.86/x
  3. Step 3: Cross multiply
    36,587.79x = 50,488.02 × 21,478.86
  4. Step 4: Simplify right side
    36,587.79x = 1,084,425,113.26
  5. Step 5: Solve for x
    x = 1,084,425,113.26/36,587.79
  6. Step 6: Final answer
    x = 29,638.99

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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.