Home / 42,851.34-64,284.84-13,267.17

Finding the Fourth Proportional to 42,851.34, 64,284.84 and 13,267.17

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Solution

The fourth proportional to 42,851.34, 64,284.84 and 13,267.17 is: 19,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,851.34 : 64,284.84 = 13,267.17 : x
  2. Step 2: Convert to fraction form
    42,851.34/64,284.84 = 13,267.17/x
  3. Step 3: Cross multiply
    42,851.34x = 64,284.84 × 13,267.17
  4. Step 4: Simplify right side
    42,851.34x = 852,877,900.70
  5. Step 5: Solve for x
    x = 852,877,900.70/42,851.34
  6. Step 6: Final answer
    x = 19,903.18

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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.