Home / 47,038.88-64,909.30-27,915.35

Finding the Fourth Proportional to 47,038.88, 64,909.30 and 27,915.35

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Solution

The fourth proportional to 47,038.88, 64,909.30 and 27,915.35 is: 38,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,038.88 : 64,909.30 = 27,915.35 : x
  2. Step 2: Convert to fraction form
    47,038.88/64,909.30 = 27,915.35/x
  3. Step 3: Cross multiply
    47,038.88x = 64,909.30 × 27,915.35
  4. Step 4: Simplify right side
    47,038.88x = 1,811,965,827.76
  5. Step 5: Solve for x
    x = 1,811,965,827.76/47,038.88
  6. Step 6: Final answer
    x = 38,520.60

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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.