Home / 35,520.17-53,221.70-31,857.84

Finding the Fourth Proportional to 35,520.17, 53,221.70 and 31,857.84

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Solution

The fourth proportional to 35,520.17, 53,221.70 and 31,857.84 is: 47,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.17 : 53,221.70 = 31,857.84 : x
  2. Step 2: Convert to fraction form
    35,520.17/53,221.70 = 31,857.84/x
  3. Step 3: Cross multiply
    35,520.17x = 53,221.70 × 31,857.84
  4. Step 4: Simplify right side
    35,520.17x = 1,695,528,482.77
  5. Step 5: Solve for x
    x = 1,695,528,482.77/35,520.17
  6. Step 6: Final answer
    x = 47,734.25

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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.