Home / 38,526.03-53,166.98-21,529.80

Finding the Fourth Proportional to 38,526.03, 53,166.98 and 21,529.80

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Solution

The fourth proportional to 38,526.03, 53,166.98 and 21,529.80 is: 29,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,526.03 : 53,166.98 = 21,529.80 : x
  2. Step 2: Convert to fraction form
    38,526.03/53,166.98 = 21,529.80/x
  3. Step 3: Cross multiply
    38,526.03x = 53,166.98 × 21,529.80
  4. Step 4: Simplify right side
    38,526.03x = 1,144,674,499.83
  5. Step 5: Solve for x
    x = 1,144,674,499.83/38,526.03
  6. Step 6: Final answer
    x = 29,711.72

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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.