Home / 35,440.16-48,909.47-20,332.69

Finding the Fourth Proportional to 35,440.16, 48,909.47 and 20,332.69

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Solution

The fourth proportional to 35,440.16, 48,909.47 and 20,332.69 is: 28,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.16 : 48,909.47 = 20,332.69 : x
  2. Step 2: Convert to fraction form
    35,440.16/48,909.47 = 20,332.69/x
  3. Step 3: Cross multiply
    35,440.16x = 48,909.47 × 20,332.69
  4. Step 4: Simplify right side
    35,440.16x = 994,460,867.64
  5. Step 5: Solve for x
    x = 994,460,867.64/35,440.16
  6. Step 6: Final answer
    x = 28,060.29

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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.