Home / 31,297.13-46,883.16-18,810.40

Finding the Fourth Proportional to 31,297.13, 46,883.16 and 18,810.40

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Solution

The fourth proportional to 31,297.13, 46,883.16 and 18,810.40 is: 28,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.13 : 46,883.16 = 18,810.40 : x
  2. Step 2: Convert to fraction form
    31,297.13/46,883.16 = 18,810.40/x
  3. Step 3: Cross multiply
    31,297.13x = 46,883.16 × 18,810.40
  4. Step 4: Simplify right side
    31,297.13x = 881,890,992.86
  5. Step 5: Solve for x
    x = 881,890,992.86/31,297.13
  6. Step 6: Final answer
    x = 28,178.01

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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.