Home / 48,030.80-72,046.14-12,970.41

Finding the Fourth Proportional to 48,030.80, 72,046.14 and 12,970.41

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Solution

The fourth proportional to 48,030.80, 72,046.14 and 12,970.41 is: 19,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,030.80 : 72,046.14 = 12,970.41 : x
  2. Step 2: Convert to fraction form
    48,030.80/72,046.14 = 12,970.41/x
  3. Step 3: Cross multiply
    48,030.80x = 72,046.14 × 12,970.41
  4. Step 4: Simplify right side
    48,030.80x = 934,467,974.72
  5. Step 5: Solve for x
    x = 934,467,974.72/48,030.80
  6. Step 6: Final answer
    x = 19,455.60

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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.