Home / 38,496.38-53,130.28-21,501.67

Finding the Fourth Proportional to 38,496.38, 53,130.28 and 21,501.67

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Solution

The fourth proportional to 38,496.38, 53,130.28 and 21,501.67 is: 29,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.38 : 53,130.28 = 21,501.67 : x
  2. Step 2: Convert to fraction form
    38,496.38/53,130.28 = 21,501.67/x
  3. Step 3: Cross multiply
    38,496.38x = 53,130.28 × 21,501.67
  4. Step 4: Simplify right side
    38,496.38x = 1,142,389,747.57
  5. Step 5: Solve for x
    x = 1,142,389,747.57/38,496.38
  6. Step 6: Final answer
    x = 29,675.25

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Double scale
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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.