Home / 40,040.16-60,054.84-10,455.60

Finding the Fourth Proportional to 40,040.16, 60,054.84 and 10,455.60

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Solution

The fourth proportional to 40,040.16, 60,054.84 and 10,455.60 is: 15,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.16 : 60,054.84 = 10,455.60 : x
  2. Step 2: Convert to fraction form
    40,040.16/60,054.84 = 10,455.60/x
  3. Step 3: Cross multiply
    40,040.16x = 60,054.84 × 10,455.60
  4. Step 4: Simplify right side
    40,040.16x = 627,909,385.10
  5. Step 5: Solve for x
    x = 627,909,385.10/40,040.16
  6. Step 6: Final answer
    x = 15,681.99

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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.