Home / 47,359.34-65,364.36-28,240.35

Finding the Fourth Proportional to 47,359.34, 65,364.36 and 28,240.35

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Solution

The fourth proportional to 47,359.34, 65,364.36 and 28,240.35 is: 38,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,359.34 : 65,364.36 = 28,240.35 : x
  2. Step 2: Convert to fraction form
    47,359.34/65,364.36 = 28,240.35/x
  3. Step 3: Cross multiply
    47,359.34x = 65,364.36 × 28,240.35
  4. Step 4: Simplify right side
    47,359.34x = 1,845,912,403.93
  5. Step 5: Solve for x
    x = 1,845,912,403.93/47,359.34
  6. Step 6: Final answer
    x = 38,976.74

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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.