Home / 45,623.76-62,988.64-42,800.10

Finding the Fourth Proportional to 45,623.76, 62,988.64 and 42,800.10

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Solution

The fourth proportional to 45,623.76, 62,988.64 and 42,800.10 is: 59,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.76 : 62,988.64 = 42,800.10 : x
  2. Step 2: Convert to fraction form
    45,623.76/62,988.64 = 42,800.10/x
  3. Step 3: Cross multiply
    45,623.76x = 62,988.64 × 42,800.10
  4. Step 4: Simplify right side
    45,623.76x = 2,695,920,090.86
  5. Step 5: Solve for x
    x = 2,695,920,090.86/45,623.76
  6. Step 6: Final answer
    x = 59,090.27

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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.