Home / 40,966.90-61,450.54-14,312.77

Finding the Fourth Proportional to 40,966.90, 61,450.54 and 14,312.77

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Solution

The fourth proportional to 40,966.90, 61,450.54 and 14,312.77 is: 21,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.90 : 61,450.54 = 14,312.77 : x
  2. Step 2: Convert to fraction form
    40,966.90/61,450.54 = 14,312.77/x
  3. Step 3: Cross multiply
    40,966.90x = 61,450.54 × 14,312.77
  4. Step 4: Simplify right side
    40,966.90x = 879,527,445.40
  5. Step 5: Solve for x
    x = 879,527,445.40/40,966.90
  6. Step 6: Final answer
    x = 21,469.22

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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.