Home / 30,707.40-46,109.70-23,320.20

Finding the Fourth Proportional to 30,707.40, 46,109.70 and 23,320.20

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Solution

The fourth proportional to 30,707.40, 46,109.70 and 23,320.20 is: 35,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,707.40 : 46,109.70 = 23,320.20 : x
  2. Step 2: Convert to fraction form
    30,707.40/46,109.70 = 23,320.20/x
  3. Step 3: Cross multiply
    30,707.40x = 46,109.70 × 23,320.20
  4. Step 4: Simplify right side
    30,707.40x = 1,075,287,425.94
  5. Step 5: Solve for x
    x = 1,075,287,425.94/30,707.40
  6. Step 6: Final answer
    x = 35,017.21

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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.