Home / 35,157.51-52,730.28-15,430.77

Finding the Fourth Proportional to 35,157.51, 52,730.28 and 15,430.77

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Solution

The fourth proportional to 35,157.51, 52,730.28 and 15,430.77 is: 23,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.51 : 52,730.28 = 15,430.77 : x
  2. Step 2: Convert to fraction form
    35,157.51/52,730.28 = 15,430.77/x
  3. Step 3: Cross multiply
    35,157.51x = 52,730.28 × 15,430.77
  4. Step 4: Simplify right side
    35,157.51x = 813,668,822.72
  5. Step 5: Solve for x
    x = 813,668,822.72/35,157.51
  6. Step 6: Final answer
    x = 23,143.53

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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.