Home / 42,935.42-64,403.67-13,352.60

Finding the Fourth Proportional to 42,935.42, 64,403.67 and 13,352.60

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Solution

The fourth proportional to 42,935.42, 64,403.67 and 13,352.60 is: 20,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,935.42 : 64,403.67 = 13,352.60 : x
  2. Step 2: Convert to fraction form
    42,935.42/64,403.67 = 13,352.60/x
  3. Step 3: Cross multiply
    42,935.42x = 64,403.67 × 13,352.60
  4. Step 4: Simplify right side
    42,935.42x = 859,956,444.04
  5. Step 5: Solve for x
    x = 859,956,444.04/42,935.42
  6. Step 6: Final answer
    x = 20,029.07

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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.