Home / 30,307.19-45,413.64-11,577.01

Finding the Fourth Proportional to 30,307.19, 45,413.64 and 11,577.01

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Solution

The fourth proportional to 30,307.19, 45,413.64 and 11,577.01 is: 17,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.19 : 45,413.64 = 11,577.01 : x
  2. Step 2: Convert to fraction form
    30,307.19/45,413.64 = 11,577.01/x
  3. Step 3: Cross multiply
    30,307.19x = 45,413.64 × 11,577.01
  4. Step 4: Simplify right side
    30,307.19x = 525,754,164.42
  5. Step 5: Solve for x
    x = 525,754,164.42/30,307.19
  6. Step 6: Final answer
    x = 17,347.51

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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.