Home / 47,502.95-65,543.87-28,639.67

Finding the Fourth Proportional to 47,502.95, 65,543.87 and 28,639.67

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Solution

The fourth proportional to 47,502.95, 65,543.87 and 28,639.67 is: 39,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,502.95 : 65,543.87 = 28,639.67 : x
  2. Step 2: Convert to fraction form
    47,502.95/65,543.87 = 28,639.67/x
  3. Step 3: Cross multiply
    47,502.95x = 65,543.87 × 28,639.67
  4. Step 4: Simplify right side
    47,502.95x = 1,877,154,664.12
  5. Step 5: Solve for x
    x = 1,877,154,664.12/47,502.95
  6. Step 6: Final answer
    x = 39,516.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.