Home / 42,219.83-58,237.99-27,879.80

Finding the Fourth Proportional to 42,219.83, 58,237.99 and 27,879.80

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Solution

The fourth proportional to 42,219.83, 58,237.99 and 27,879.80 is: 38,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.83 : 58,237.99 = 27,879.80 : x
  2. Step 2: Convert to fraction form
    42,219.83/58,237.99 = 27,879.80/x
  3. Step 3: Cross multiply
    42,219.83x = 58,237.99 × 27,879.80
  4. Step 4: Simplify right side
    42,219.83x = 1,623,663,152.71
  5. Step 5: Solve for x
    x = 1,623,663,152.71/42,219.83
  6. Step 6: Final answer
    x = 38,457.36

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1.5x scale

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.