Home / 43,155.10-64,646.45-34,285.40

Finding the Fourth Proportional to 43,155.10, 64,646.45 and 34,285.40

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Solution

The fourth proportional to 43,155.10, 64,646.45 and 34,285.40 is: 51,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,155.10 : 64,646.45 = 34,285.40 : x
  2. Step 2: Convert to fraction form
    43,155.10/64,646.45 = 34,285.40/x
  3. Step 3: Cross multiply
    43,155.10x = 64,646.45 × 34,285.40
  4. Step 4: Simplify right side
    43,155.10x = 2,216,429,396.83
  5. Step 5: Solve for x
    x = 2,216,429,396.83/43,155.10
  6. Step 6: Final answer
    x = 51,359.62

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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.