Home / 30,242.48-41,718.08-19,320.16

Finding the Fourth Proportional to 30,242.48, 41,718.08 and 19,320.16

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Solution

The fourth proportional to 30,242.48, 41,718.08 and 19,320.16 is: 26,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.48 : 41,718.08 = 19,320.16 : x
  2. Step 2: Convert to fraction form
    30,242.48/41,718.08 = 19,320.16/x
  3. Step 3: Cross multiply
    30,242.48x = 41,718.08 × 19,320.16
  4. Step 4: Simplify right side
    30,242.48x = 805,999,980.49
  5. Step 5: Solve for x
    x = 805,999,980.49/30,242.48
  6. Step 6: Final answer
    x = 26,651.25

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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.