Home / 48,013.90-72,024.69-12,953.05

Finding the Fourth Proportional to 48,013.90, 72,024.69 and 12,953.05

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Solution

The fourth proportional to 48,013.90, 72,024.69 and 12,953.05 is: 19,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,013.90 : 72,024.69 = 12,953.05 : x
  2. Step 2: Convert to fraction form
    48,013.90/72,024.69 = 12,953.05/x
  3. Step 3: Cross multiply
    48,013.90x = 72,024.69 × 12,953.05
  4. Step 4: Simplify right side
    48,013.90x = 932,939,279.32
  5. Step 5: Solve for x
    x = 932,939,279.32/48,013.90
  6. Step 6: Final answer
    x = 19,430.61

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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.