Home / 31,295.13-46,880.16-18,808.40

Finding the Fourth Proportional to 31,295.13, 46,880.16 and 18,808.40

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Solution

The fourth proportional to 31,295.13, 46,880.16 and 18,808.40 is: 28,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.13 : 46,880.16 = 18,808.40 : x
  2. Step 2: Convert to fraction form
    31,295.13/46,880.16 = 18,808.40/x
  3. Step 3: Cross multiply
    31,295.13x = 46,880.16 × 18,808.40
  4. Step 4: Simplify right side
    31,295.13x = 881,740,566.94
  5. Step 5: Solve for x
    x = 881,740,566.94/31,295.13
  6. Step 6: Final answer
    x = 28,175.01

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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.