Home / 51,328.53-70,831.13-28,670.13

Finding the Fourth Proportional to 51,328.53, 70,831.13 and 28,670.13

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Solution

The fourth proportional to 51,328.53, 70,831.13 and 28,670.13 is: 39,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.53 : 70,831.13 = 28,670.13 : x
  2. Step 2: Convert to fraction form
    51,328.53/70,831.13 = 28,670.13/x
  3. Step 3: Cross multiply
    51,328.53x = 70,831.13 × 28,670.13
  4. Step 4: Simplify right side
    51,328.53x = 2,030,737,561.80
  5. Step 5: Solve for x
    x = 2,030,737,561.80/51,328.53
  6. Step 6: Final answer
    x = 39,563.52

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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.