Home / 42,017,071.64-58,031,388.48-28,242,120.92

Finding the Fourth Proportional to 42,017,071.64, 58,031,388.48 and 28,242,120.92

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Solution

The fourth proportional to 42,017,071.64, 58,031,388.48 and 28,242,120.92 is: 39,006,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,071.64 : 58,031,388.48 = 28,242,120.92 : x
  2. Step 2: Convert to fraction form
    42,017,071.64/58,031,388.48 = 28,242,120.92/x
  3. Step 3: Cross multiply
    42,017,071.64x = 58,031,388.48 × 28,242,120.92
  4. Step 4: Simplify right side
    42,017,071.64x = 1,638,929,490,607,655
  5. Step 5: Solve for x
    x = 1,638,929,490,607,655/42,017,071.64
  6. Step 6: Final answer
    x = 39,006,275.94

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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.