Home / 52,313.84-72,190.16-28,440.40

Finding the Fourth Proportional to 52,313.84, 72,190.16 and 28,440.40

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Solution

The fourth proportional to 52,313.84, 72,190.16 and 28,440.40 is: 39,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.84 : 72,190.16 = 28,440.40 : x
  2. Step 2: Convert to fraction form
    52,313.84/72,190.16 = 28,440.40/x
  3. Step 3: Cross multiply
    52,313.84x = 72,190.16 × 28,440.40
  4. Step 4: Simplify right side
    52,313.84x = 2,053,117,026.46
  5. Step 5: Solve for x
    x = 2,053,117,026.46/52,313.84
  6. Step 6: Final answer
    x = 39,246.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.