Home / 29,313.02-40,465.91-19,639.13

Finding the Fourth Proportional to 29,313.02, 40,465.91 and 19,639.13

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Solution

The fourth proportional to 29,313.02, 40,465.91 and 19,639.13 is: 27,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.02 : 40,465.91 = 19,639.13 : x
  2. Step 2: Convert to fraction form
    29,313.02/40,465.91 = 19,639.13/x
  3. Step 3: Cross multiply
    29,313.02x = 40,465.91 × 19,639.13
  4. Step 4: Simplify right side
    29,313.02x = 794,715,267.06
  5. Step 5: Solve for x
    x = 794,715,267.06/29,313.02
  6. Step 6: Final answer
    x = 27,111.34

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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.