Home / 39,711.98-59,574.64-13,050.84

Finding the Fourth Proportional to 39,711.98, 59,574.64 and 13,050.84

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Solution

The fourth proportional to 39,711.98, 59,574.64 and 13,050.84 is: 19,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.98 : 59,574.64 = 13,050.84 : x
  2. Step 2: Convert to fraction form
    39,711.98/59,574.64 = 13,050.84/x
  3. Step 3: Cross multiply
    39,711.98x = 59,574.64 × 13,050.84
  4. Step 4: Simplify right side
    39,711.98x = 777,499,094.70
  5. Step 5: Solve for x
    x = 777,499,094.70/39,711.98
  6. Step 6: Final answer
    x = 19,578.45

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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.