Home / 47,356.90-65,360.99-28,237.91

Finding the Fourth Proportional to 47,356.90, 65,360.99 and 28,237.91

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Solution

The fourth proportional to 47,356.90, 65,360.99 and 28,237.91 is: 38,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,356.90 : 65,360.99 = 28,237.91 : x
  2. Step 2: Convert to fraction form
    47,356.90/65,360.99 = 28,237.91/x
  3. Step 3: Cross multiply
    47,356.90x = 65,360.99 × 28,237.91
  4. Step 4: Simplify right side
    47,356.90x = 1,845,657,496.92
  5. Step 5: Solve for x
    x = 1,845,657,496.92/47,356.90
  6. Step 6: Final answer
    x = 38,973.36

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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.