Home / 55,971.09-83,547.12-49,328.28

Finding the Fourth Proportional to 55,971.09, 83,547.12 and 49,328.28

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Solution

The fourth proportional to 55,971.09, 83,547.12 and 49,328.28 is: 73,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,971.09 : 83,547.12 = 49,328.28 : x
  2. Step 2: Convert to fraction form
    55,971.09/83,547.12 = 49,328.28/x
  3. Step 3: Cross multiply
    55,971.09x = 83,547.12 × 49,328.28
  4. Step 4: Simplify right side
    55,971.09x = 4,121,235,728.55
  5. Step 5: Solve for x
    x = 4,121,235,728.55/55,971.09
  6. Step 6: Final answer
    x = 73,631.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.