Home / 30,017.67-45,054.74-15,237.20

Finding the Fourth Proportional to 30,017.67, 45,054.74 and 15,237.20

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Solution

The fourth proportional to 30,017.67, 45,054.74 and 15,237.20 is: 22,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.67 : 45,054.74 = 15,237.20 : x
  2. Step 2: Convert to fraction form
    30,017.67/45,054.74 = 15,237.20/x
  3. Step 3: Cross multiply
    30,017.67x = 45,054.74 × 15,237.20
  4. Step 4: Simplify right side
    30,017.67x = 686,507,782.87
  5. Step 5: Solve for x
    x = 686,507,782.87/30,017.67
  6. Step 6: Final answer
    x = 22,870.12

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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.