Home / 38,870.21-58,307.13-12,577.01

Finding the Fourth Proportional to 38,870.21, 58,307.13 and 12,577.01

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Solution

The fourth proportional to 38,870.21, 58,307.13 and 12,577.01 is: 18,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.21 : 58,307.13 = 12,577.01 : x
  2. Step 2: Convert to fraction form
    38,870.21/58,307.13 = 12,577.01/x
  3. Step 3: Cross multiply
    38,870.21x = 58,307.13 × 12,577.01
  4. Step 4: Simplify right side
    38,870.21x = 733,329,357.08
  5. Step 5: Solve for x
    x = 733,329,357.08/38,870.21
  6. Step 6: Final answer
    x = 18,866.10

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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.