Home / 51,025.21-70,386.02-30,601.84

Finding the Fourth Proportional to 51,025.21, 70,386.02 and 30,601.84

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Solution

The fourth proportional to 51,025.21, 70,386.02 and 30,601.84 is: 42,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.21 : 70,386.02 = 30,601.84 : x
  2. Step 2: Convert to fraction form
    51,025.21/70,386.02 = 30,601.84/x
  3. Step 3: Cross multiply
    51,025.21x = 70,386.02 × 30,601.84
  4. Step 4: Simplify right side
    51,025.21x = 2,153,941,370.35
  5. Step 5: Solve for x
    x = 2,153,941,370.35/51,025.21
  6. Step 6: Final answer
    x = 42,213.28

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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.