Home / 35,430.92-48,894.67-19,515.37

Finding the Fourth Proportional to 35,430.92, 48,894.67 and 19,515.37

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Solution

The fourth proportional to 35,430.92, 48,894.67 and 19,515.37 is: 26,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.92 : 48,894.67 = 19,515.37 : x
  2. Step 2: Convert to fraction form
    35,430.92/48,894.67 = 19,515.37/x
  3. Step 3: Cross multiply
    35,430.92x = 48,894.67 × 19,515.37
  4. Step 4: Simplify right side
    35,430.92x = 954,197,776.19
  5. Step 5: Solve for x
    x = 954,197,776.19/35,430.92
  6. Step 6: Final answer
    x = 26,931.21

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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.