Home / 40,699.20-61,039.56-14,403.93

Finding the Fourth Proportional to 40,699.20, 61,039.56 and 14,403.93

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Solution

The fourth proportional to 40,699.20, 61,039.56 and 14,403.93 is: 21,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.20 : 61,039.56 = 14,403.93 : x
  2. Step 2: Convert to fraction form
    40,699.20/61,039.56 = 14,403.93/x
  3. Step 3: Cross multiply
    40,699.20x = 61,039.56 × 14,403.93
  4. Step 4: Simplify right side
    40,699.20x = 879,209,549.47
  5. Step 5: Solve for x
    x = 879,209,549.47/40,699.20
  6. Step 6: Final answer
    x = 21,602.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.