Home / 51,059.04-70,462.89-30,919.38

Finding the Fourth Proportional to 51,059.04, 70,462.89 and 30,919.38

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Solution

The fourth proportional to 51,059.04, 70,462.89 and 30,919.38 is: 42,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.04 : 70,462.89 = 30,919.38 : x
  2. Step 2: Convert to fraction form
    51,059.04/70,462.89 = 30,919.38/x
  3. Step 3: Cross multiply
    51,059.04x = 70,462.89 × 30,919.38
  4. Step 4: Simplify right side
    51,059.04x = 2,178,668,871.81
  5. Step 5: Solve for x
    x = 2,178,668,871.81/51,059.04
  6. Step 6: Final answer
    x = 42,669.60

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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.