Home / 51,655.40-77,482.84-18,376.69

Finding the Fourth Proportional to 51,655.40, 77,482.84 and 18,376.69

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Solution

The fourth proportional to 51,655.40, 77,482.84 and 18,376.69 is: 27,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.40 : 77,482.84 = 18,376.69 : x
  2. Step 2: Convert to fraction form
    51,655.40/77,482.84 = 18,376.69/x
  3. Step 3: Cross multiply
    51,655.40x = 77,482.84 × 18,376.69
  4. Step 4: Simplify right side
    51,655.40x = 1,423,877,651.70
  5. Step 5: Solve for x
    x = 1,423,877,651.70/51,655.40
  6. Step 6: Final answer
    x = 27,564.94

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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.