Home / 38,430.05-53,045.28-22,519.62

Finding the Fourth Proportional to 38,430.05, 53,045.28 and 22,519.62

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Solution

The fourth proportional to 38,430.05, 53,045.28 and 22,519.62 is: 31,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.05 : 53,045.28 = 22,519.62 : x
  2. Step 2: Convert to fraction form
    38,430.05/53,045.28 = 22,519.62/x
  3. Step 3: Cross multiply
    38,430.05x = 53,045.28 × 22,519.62
  4. Step 4: Simplify right side
    38,430.05x = 1,194,559,548.39
  5. Step 5: Solve for x
    x = 1,194,559,548.39/38,430.05
  6. Step 6: Final answer
    x = 31,084.00

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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.