Home / 52,803.88-72,869.34-28,931.46

Finding the Fourth Proportional to 52,803.88, 72,869.34 and 28,931.46

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Solution

The fourth proportional to 52,803.88, 72,869.34 and 28,931.46 is: 39,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.88 : 72,869.34 = 28,931.46 : x
  2. Step 2: Convert to fraction form
    52,803.88/72,869.34 = 28,931.46/x
  3. Step 3: Cross multiply
    52,803.88x = 72,869.34 × 28,931.46
  4. Step 4: Simplify right side
    52,803.88x = 2,108,216,395.44
  5. Step 5: Solve for x
    x = 2,108,216,395.44/52,803.88
  6. Step 6: Final answer
    x = 39,925.41

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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.