Home / 46,770.40-70,155.60-40,428.10

Finding the Fourth Proportional to 46,770.40, 70,155.60 and 40,428.10

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Solution

The fourth proportional to 46,770.40, 70,155.60 and 40,428.10 is: 60,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,770.40 : 70,155.60 = 40,428.10 : x
  2. Step 2: Convert to fraction form
    46,770.40/70,155.60 = 40,428.10/x
  3. Step 3: Cross multiply
    46,770.40x = 70,155.60 × 40,428.10
  4. Step 4: Simplify right side
    46,770.40x = 2,836,257,612.36
  5. Step 5: Solve for x
    x = 2,836,257,612.36/46,770.40
  6. Step 6: Final answer
    x = 60,642.15

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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.