Home / 47,250.30-70,875.45-21,006.30

Finding the Fourth Proportional to 47,250.30, 70,875.45 and 21,006.30

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Solution

The fourth proportional to 47,250.30, 70,875.45 and 21,006.30 is: 31,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.30 : 70,875.45 = 21,006.30 : x
  2. Step 2: Convert to fraction form
    47,250.30/70,875.45 = 21,006.30/x
  3. Step 3: Cross multiply
    47,250.30x = 70,875.45 × 21,006.30
  4. Step 4: Simplify right side
    47,250.30x = 1,488,830,965.34
  5. Step 5: Solve for x
    x = 1,488,830,965.34/47,250.30
  6. Step 6: Final answer
    x = 31,509.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.