Home / 49,990.09-74,985-16,710.16

Finding the Fourth Proportional to 49,990.09, 74,985 and 16,710.16

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Solution

The fourth proportional to 49,990.09, 74,985 and 16,710.16 is: 25,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.09 : 74,985 = 16,710.16 : x
  2. Step 2: Convert to fraction form
    49,990.09/74,985 = 16,710.16/x
  3. Step 3: Cross multiply
    49,990.09x = 74,985 × 16,710.16
  4. Step 4: Simplify right side
    49,990.09x = 1,253,011,347.60
  5. Step 5: Solve for x
    x = 1,253,011,347.60/49,990.09
  6. Step 6: Final answer
    x = 25,065.19

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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.