Home / 51,328.06-70,831.96-28,666.80

Finding the Fourth Proportional to 51,328.06, 70,831.96 and 28,666.80

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Solution

The fourth proportional to 51,328.06, 70,831.96 and 28,666.80 is: 39,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.06 : 70,831.96 = 28,666.80 : x
  2. Step 2: Convert to fraction form
    51,328.06/70,831.96 = 28,666.80/x
  3. Step 3: Cross multiply
    51,328.06x = 70,831.96 × 28,666.80
  4. Step 4: Simplify right side
    51,328.06x = 2,030,525,559.26
  5. Step 5: Solve for x
    x = 2,030,525,559.26/51,328.06
  6. Step 6: Final answer
    x = 39,559.76

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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.