Home / 30,739.10-42,424.03-17,313.01

Finding the Fourth Proportional to 30,739.10, 42,424.03 and 17,313.01

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Solution

The fourth proportional to 30,739.10, 42,424.03 and 17,313.01 is: 23,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.10 : 42,424.03 = 17,313.01 : x
  2. Step 2: Convert to fraction form
    30,739.10/42,424.03 = 17,313.01/x
  3. Step 3: Cross multiply
    30,739.10x = 42,424.03 × 17,313.01
  4. Step 4: Simplify right side
    30,739.10x = 734,487,655.63
  5. Step 5: Solve for x
    x = 734,487,655.63/30,739.10
  6. Step 6: Final answer
    x = 23,894.25

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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.