Home / 72,348.24-99,828.96-40,518.48

Finding the Fourth Proportional to 72,348.24, 99,828.96 and 40,518.48

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Solution

The fourth proportional to 72,348.24, 99,828.96 and 40,518.48 is: 55,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.24 : 99,828.96 = 40,518.48 : x
  2. Step 2: Convert to fraction form
    72,348.24/99,828.96 = 40,518.48/x
  3. Step 3: Cross multiply
    72,348.24x = 99,828.96 × 40,518.48
  4. Step 4: Simplify right side
    72,348.24x = 4,044,917,719.18
  5. Step 5: Solve for x
    x = 4,044,917,719.18/72,348.24
  6. Step 6: Final answer
    x = 55,909.00

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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.