Home / 40,699.81-61,041.46-11,115.17

Finding the Fourth Proportional to 40,699.81, 61,041.46 and 11,115.17

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Solution

The fourth proportional to 40,699.81, 61,041.46 and 11,115.17 is: 16,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.81 : 61,041.46 = 11,115.17 : x
  2. Step 2: Convert to fraction form
    40,699.81/61,041.46 = 11,115.17/x
  3. Step 3: Cross multiply
    40,699.81x = 61,041.46 × 11,115.17
  4. Step 4: Simplify right side
    40,699.81x = 678,486,204.95
  5. Step 5: Solve for x
    x = 678,486,204.95/40,699.81
  6. Step 6: Final answer
    x = 16,670.50

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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.