Home / 42,749.53-59,015.10-30,029.74

Finding the Fourth Proportional to 42,749.53, 59,015.10 and 30,029.74

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Solution

The fourth proportional to 42,749.53, 59,015.10 and 30,029.74 is: 41,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.53 : 59,015.10 = 30,029.74 : x
  2. Step 2: Convert to fraction form
    42,749.53/59,015.10 = 30,029.74/x
  3. Step 3: Cross multiply
    42,749.53x = 59,015.10 × 30,029.74
  4. Step 4: Simplify right side
    42,749.53x = 1,772,208,109.07
  5. Step 5: Solve for x
    x = 1,772,208,109.07/42,749.53
  6. Step 6: Final answer
    x = 41,455.62

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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.