Home / 48,018.60-72,038.70-14,740.20

Finding the Fourth Proportional to 48,018.60, 72,038.70 and 14,740.20

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Solution

The fourth proportional to 48,018.60, 72,038.70 and 14,740.20 is: 22,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.60 : 72,038.70 = 14,740.20 : x
  2. Step 2: Convert to fraction form
    48,018.60/72,038.70 = 14,740.20/x
  3. Step 3: Cross multiply
    48,018.60x = 72,038.70 × 14,740.20
  4. Step 4: Simplify right side
    48,018.60x = 1,061,864,845.74
  5. Step 5: Solve for x
    x = 1,061,864,845.74/48,018.60
  6. Step 6: Final answer
    x = 22,113.62

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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.