Home / 42,333.12-63,495.58-25,688.68

Finding the Fourth Proportional to 42,333.12, 63,495.58 and 25,688.68

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Solution

The fourth proportional to 42,333.12, 63,495.58 and 25,688.68 is: 38,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,333.12 : 63,495.58 = 25,688.68 : x
  2. Step 2: Convert to fraction form
    42,333.12/63,495.58 = 25,688.68/x
  3. Step 3: Cross multiply
    42,333.12x = 63,495.58 × 25,688.68
  4. Step 4: Simplify right side
    42,333.12x = 1,631,117,636.03
  5. Step 5: Solve for x
    x = 1,631,117,636.03/42,333.12
  6. Step 6: Final answer
    x = 38,530.53

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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.