Home / 43,475.16-64,823.33-42,687.84

Finding the Fourth Proportional to 43,475.16, 64,823.33 and 42,687.84

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Solution

The fourth proportional to 43,475.16, 64,823.33 and 42,687.84 is: 63,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.16 : 64,823.33 = 42,687.84 : x
  2. Step 2: Convert to fraction form
    43,475.16/64,823.33 = 42,687.84/x
  3. Step 3: Cross multiply
    43,475.16x = 64,823.33 × 42,687.84
  4. Step 4: Simplify right side
    43,475.16x = 2,767,168,169.05
  5. Step 5: Solve for x
    x = 2,767,168,169.05/43,475.16
  6. Step 6: Final answer
    x = 63,649.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.