Home / 51,206.12-70,662.18-28,547.60

Finding the Fourth Proportional to 51,206.12, 70,662.18 and 28,547.60

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Solution

The fourth proportional to 51,206.12, 70,662.18 and 28,547.60 is: 39,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.12 : 70,662.18 = 28,547.60 : x
  2. Step 2: Convert to fraction form
    51,206.12/70,662.18 = 28,547.60/x
  3. Step 3: Cross multiply
    51,206.12x = 70,662.18 × 28,547.60
  4. Step 4: Simplify right side
    51,206.12x = 2,017,235,649.77
  5. Step 5: Solve for x
    x = 2,017,235,649.77/51,206.12
  6. Step 6: Final answer
    x = 39,394.42

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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.