Home / 36,988.72-51,032.18-20,854.01

Finding the Fourth Proportional to 36,988.72, 51,032.18 and 20,854.01

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Solution

The fourth proportional to 36,988.72, 51,032.18 and 20,854.01 is: 28,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.72 : 51,032.18 = 20,854.01 : x
  2. Step 2: Convert to fraction form
    36,988.72/51,032.18 = 20,854.01/x
  3. Step 3: Cross multiply
    36,988.72x = 51,032.18 × 20,854.01
  4. Step 4: Simplify right side
    36,988.72x = 1,064,225,484.70
  5. Step 5: Solve for x
    x = 1,064,225,484.70/36,988.72
  6. Step 6: Final answer
    x = 28,771.62

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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.