Home / 51,477.80-70,966.53-38,733.05

Finding the Fourth Proportional to 51,477.80, 70,966.53 and 38,733.05

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Solution

The fourth proportional to 51,477.80, 70,966.53 and 38,733.05 is: 53,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.80 : 70,966.53 = 38,733.05 : x
  2. Step 2: Convert to fraction form
    51,477.80/70,966.53 = 38,733.05/x
  3. Step 3: Cross multiply
    51,477.80x = 70,966.53 × 38,733.05
  4. Step 4: Simplify right side
    51,477.80x = 2,748,750,332.23
  5. Step 5: Solve for x
    x = 2,748,750,332.23/51,477.80
  6. Step 6: Final answer
    x = 53,396.82

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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.