Home / 31,869.02-47,803.12-14,326.45

Finding the Fourth Proportional to 31,869.02, 47,803.12 and 14,326.45

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Solution

The fourth proportional to 31,869.02, 47,803.12 and 14,326.45 is: 21,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.02 : 47,803.12 = 14,326.45 : x
  2. Step 2: Convert to fraction form
    31,869.02/47,803.12 = 14,326.45/x
  3. Step 3: Cross multiply
    31,869.02x = 47,803.12 × 14,326.45
  4. Step 4: Simplify right side
    31,869.02x = 684,849,008.52
  5. Step 5: Solve for x
    x = 684,849,008.52/31,869.02
  6. Step 6: Final answer
    x = 21,489.49

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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.