Home / 43,210.13-64,826.12-12,045.38

Finding the Fourth Proportional to 43,210.13, 64,826.12 and 12,045.38

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Solution

The fourth proportional to 43,210.13, 64,826.12 and 12,045.38 is: 18,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,210.13 : 64,826.12 = 12,045.38 : x
  2. Step 2: Convert to fraction form
    43,210.13/64,826.12 = 12,045.38/x
  3. Step 3: Cross multiply
    43,210.13x = 64,826.12 × 12,045.38
  4. Step 4: Simplify right side
    43,210.13x = 780,854,955.31
  5. Step 5: Solve for x
    x = 780,854,955.31/43,210.13
  6. Step 6: Final answer
    x = 18,071.11

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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.