Home / 47,554.23-65,620.38-28,430.20

Finding the Fourth Proportional to 47,554.23, 65,620.38 and 28,430.20

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Solution

The fourth proportional to 47,554.23, 65,620.38 and 28,430.20 is: 39,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.23 : 65,620.38 = 28,430.20 : x
  2. Step 2: Convert to fraction form
    47,554.23/65,620.38 = 28,430.20/x
  3. Step 3: Cross multiply
    47,554.23x = 65,620.38 × 28,430.20
  4. Step 4: Simplify right side
    47,554.23x = 1,865,600,527.48
  5. Step 5: Solve for x
    x = 1,865,600,527.48/47,554.23
  6. Step 6: Final answer
    x = 39,231.01

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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.