Home / 56,387.28-84,347.16-42,958.67

Finding the Fourth Proportional to 56,387.28, 84,347.16 and 42,958.67

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Solution

The fourth proportional to 56,387.28, 84,347.16 and 42,958.67 is: 64,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.28 : 84,347.16 = 42,958.67 : x
  2. Step 2: Convert to fraction form
    56,387.28/84,347.16 = 42,958.67/x
  3. Step 3: Cross multiply
    56,387.28x = 84,347.16 × 42,958.67
  4. Step 4: Simplify right side
    56,387.28x = 3,623,441,390.14
  5. Step 5: Solve for x
    x = 3,623,441,390.14/56,387.28
  6. Step 6: Final answer
    x = 64,259.91

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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.