Home / 39,557.12-59,307.68-18,474.80

Finding the Fourth Proportional to 39,557.12, 59,307.68 and 18,474.80

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Solution

The fourth proportional to 39,557.12, 59,307.68 and 18,474.80 is: 27,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.12 : 59,307.68 = 18,474.80 : x
  2. Step 2: Convert to fraction form
    39,557.12/59,307.68 = 18,474.80/x
  3. Step 3: Cross multiply
    39,557.12x = 59,307.68 × 18,474.80
  4. Step 4: Simplify right side
    39,557.12x = 1,095,697,526.46
  5. Step 5: Solve for x
    x = 1,095,697,526.46/39,557.12
  6. Step 6: Final answer
    x = 27,699.12

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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.