Home / 42,547.01-58,795.80-31,918.19

Finding the Fourth Proportional to 42,547.01, 58,795.80 and 31,918.19

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Solution

The fourth proportional to 42,547.01, 58,795.80 and 31,918.19 is: 44,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.01 : 58,795.80 = 31,918.19 : x
  2. Step 2: Convert to fraction form
    42,547.01/58,795.80 = 31,918.19/x
  3. Step 3: Cross multiply
    42,547.01x = 58,795.80 × 31,918.19
  4. Step 4: Simplify right side
    42,547.01x = 1,876,655,515.60
  5. Step 5: Solve for x
    x = 1,876,655,515.60/42,547.01
  6. Step 6: Final answer
    x = 44,107.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.