Home / 30,432.02-45,654.50-12,901.46

Finding the Fourth Proportional to 30,432.02, 45,654.50 and 12,901.46

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Solution

The fourth proportional to 30,432.02, 45,654.50 and 12,901.46 is: 19,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.02 : 45,654.50 = 12,901.46 : x
  2. Step 2: Convert to fraction form
    30,432.02/45,654.50 = 12,901.46/x
  3. Step 3: Cross multiply
    30,432.02x = 45,654.50 × 12,901.46
  4. Step 4: Simplify right side
    30,432.02x = 589,009,705.57
  5. Step 5: Solve for x
    x = 589,009,705.57/30,432.02
  6. Step 6: Final answer
    x = 19,354.93

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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.