Home / 51,330.74-70,831.82-28,666.59

Finding the Fourth Proportional to 51,330.74, 70,831.82 and 28,666.59

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Solution

The fourth proportional to 51,330.74, 70,831.82 and 28,666.59 is: 39,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.74 : 70,831.82 = 28,666.59 : x
  2. Step 2: Convert to fraction form
    51,330.74/70,831.82 = 28,666.59/x
  3. Step 3: Cross multiply
    51,330.74x = 70,831.82 × 28,666.59
  4. Step 4: Simplify right side
    51,330.74x = 2,030,506,742.89
  5. Step 5: Solve for x
    x = 2,030,506,742.89/51,330.74
  6. Step 6: Final answer
    x = 39,557.32

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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.