Home / 32,038.12-44,220.09-20,711.89

Finding the Fourth Proportional to 32,038.12, 44,220.09 and 20,711.89

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Solution

The fourth proportional to 32,038.12, 44,220.09 and 20,711.89 is: 28,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,038.12 : 44,220.09 = 20,711.89 : x
  2. Step 2: Convert to fraction form
    32,038.12/44,220.09 = 20,711.89/x
  3. Step 3: Cross multiply
    32,038.12x = 44,220.09 × 20,711.89
  4. Step 4: Simplify right side
    32,038.12x = 915,881,639.87
  5. Step 5: Solve for x
    x = 915,881,639.87/32,038.12
  6. Step 6: Final answer
    x = 28,587.25

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1.5x scale

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.