Home / 39,870.16-59,760.54-16,172.20

Finding the Fourth Proportional to 39,870.16, 59,760.54 and 16,172.20

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Solution

The fourth proportional to 39,870.16, 59,760.54 and 16,172.20 is: 24,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.16 : 59,760.54 = 16,172.20 : x
  2. Step 2: Convert to fraction form
    39,870.16/59,760.54 = 16,172.20/x
  3. Step 3: Cross multiply
    39,870.16x = 59,760.54 × 16,172.20
  4. Step 4: Simplify right side
    39,870.16x = 966,459,404.99
  5. Step 5: Solve for x
    x = 966,459,404.99/39,870.16
  6. Step 6: Final answer
    x = 24,240.17

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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.