Home / 19,622.01-29,432.74-4,831.05

Finding the Fourth Proportional to 19,622.01, 29,432.74 and 4,831.05

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Solution

The fourth proportional to 19,622.01, 29,432.74 and 4,831.05 is: 7,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.01 : 29,432.74 = 4,831.05 : x
  2. Step 2: Convert to fraction form
    19,622.01/29,432.74 = 4,831.05/x
  3. Step 3: Cross multiply
    19,622.01x = 29,432.74 × 4,831.05
  4. Step 4: Simplify right side
    19,622.01x = 142,191,038.58
  5. Step 5: Solve for x
    x = 142,191,038.58/19,622.01
  6. Step 6: Final answer
    x = 7,246.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.