Home / 42,017,175.75-58,031,532.24-28,242,225.03

Finding the Fourth Proportional to 42,017,175.75, 58,031,532.24 and 28,242,225.03

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Solution

The fourth proportional to 42,017,175.75, 58,031,532.24 and 28,242,225.03 is: 39,006,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,175.75 : 58,031,532.24 = 28,242,225.03 : x
  2. Step 2: Convert to fraction form
    42,017,175.75/58,031,532.24 = 28,242,225.03/x
  3. Step 3: Cross multiply
    42,017,175.75x = 58,031,532.24 × 28,242,225.03
  4. Step 4: Simplify right side
    42,017,175.75x = 1,638,939,592,357,780
  5. Step 5: Solve for x
    x = 1,638,939,592,357,780/42,017,175.75
  6. Step 6: Final answer
    x = 39,006,419.71

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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.