Home / 51,119.18-70,547.69-30,977.82

Finding the Fourth Proportional to 51,119.18, 70,547.69 and 30,977.82

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Solution

The fourth proportional to 51,119.18, 70,547.69 and 30,977.82 is: 42,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.18 : 70,547.69 = 30,977.82 : x
  2. Step 2: Convert to fraction form
    51,119.18/70,547.69 = 30,977.82/x
  3. Step 3: Cross multiply
    51,119.18x = 70,547.69 × 30,977.82
  4. Step 4: Simplify right side
    51,119.18x = 2,185,413,642.24
  5. Step 5: Solve for x
    x = 2,185,413,642.24/51,119.18
  6. Step 6: Final answer
    x = 42,751.34

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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.