Home / 31,100.02-46,657.35-12,381.12

Finding the Fourth Proportional to 31,100.02, 46,657.35 and 12,381.12

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Solution

The fourth proportional to 31,100.02, 46,657.35 and 12,381.12 is: 18,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.02 : 46,657.35 = 12,381.12 : x
  2. Step 2: Convert to fraction form
    31,100.02/46,657.35 = 12,381.12/x
  3. Step 3: Cross multiply
    31,100.02x = 46,657.35 × 12,381.12
  4. Step 4: Simplify right side
    31,100.02x = 577,670,249.23
  5. Step 5: Solve for x
    x = 577,670,249.23/31,100.02
  6. Step 6: Final answer
    x = 18,574.60

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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.