Home / 51,426.09-70,952.36-28,762.70

Finding the Fourth Proportional to 51,426.09, 70,952.36 and 28,762.70

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Solution

The fourth proportional to 51,426.09, 70,952.36 and 28,762.70 is: 39,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.09 : 70,952.36 = 28,762.70 : x
  2. Step 2: Convert to fraction form
    51,426.09/70,952.36 = 28,762.70/x
  3. Step 3: Cross multiply
    51,426.09x = 70,952.36 × 28,762.70
  4. Step 4: Simplify right side
    51,426.09x = 2,040,780,946.40
  5. Step 5: Solve for x
    x = 2,040,780,946.40/51,426.09
  6. Step 6: Final answer
    x = 39,683.77

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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.