Home / 46,737.15-70,129.09-21,779.15

Finding the Fourth Proportional to 46,737.15, 70,129.09 and 21,779.15

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Solution

The fourth proportional to 46,737.15, 70,129.09 and 21,779.15 is: 32,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,737.15 : 70,129.09 = 21,779.15 : x
  2. Step 2: Convert to fraction form
    46,737.15/70,129.09 = 21,779.15/x
  3. Step 3: Cross multiply
    46,737.15x = 70,129.09 × 21,779.15
  4. Step 4: Simplify right side
    46,737.15x = 1,527,352,238.77
  5. Step 5: Solve for x
    x = 1,527,352,238.77/46,737.15
  6. Step 6: Final answer
    x = 32,679.62

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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.