Home / 31,108.23-46,547.49-18,637.05

Finding the Fourth Proportional to 31,108.23, 46,547.49 and 18,637.05

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Solution

The fourth proportional to 31,108.23, 46,547.49 and 18,637.05 is: 27,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.23 : 46,547.49 = 18,637.05 : x
  2. Step 2: Convert to fraction form
    31,108.23/46,547.49 = 18,637.05/x
  3. Step 3: Cross multiply
    31,108.23x = 46,547.49 × 18,637.05
  4. Step 4: Simplify right side
    31,108.23x = 867,507,898.50
  5. Step 5: Solve for x
    x = 867,507,898.50/31,108.23
  6. Step 6: Final answer
    x = 27,886.76

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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.