Home / 35,913.61-53,852.39-20,925.57

Finding the Fourth Proportional to 35,913.61, 53,852.39 and 20,925.57

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Solution

The fourth proportional to 35,913.61, 53,852.39 and 20,925.57 is: 31,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.61 : 53,852.39 = 20,925.57 : x
  2. Step 2: Convert to fraction form
    35,913.61/53,852.39 = 20,925.57/x
  3. Step 3: Cross multiply
    35,913.61x = 53,852.39 × 20,925.57
  4. Step 4: Simplify right side
    35,913.61x = 1,126,891,851.98
  5. Step 5: Solve for x
    x = 1,126,891,851.98/35,913.61
  6. Step 6: Final answer
    x = 31,377.85

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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.