Home / 35,430.09-48,895.74-19,514.53

Finding the Fourth Proportional to 35,430.09, 48,895.74 and 19,514.53

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Solution

The fourth proportional to 35,430.09, 48,895.74 and 19,514.53 is: 26,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.09 : 48,895.74 = 19,514.53 : x
  2. Step 2: Convert to fraction form
    35,430.09/48,895.74 = 19,514.53/x
  3. Step 3: Cross multiply
    35,430.09x = 48,895.74 × 19,514.53
  4. Step 4: Simplify right side
    35,430.09x = 954,177,385.10
  5. Step 5: Solve for x
    x = 954,177,385.10/35,430.09
  6. Step 6: Final answer
    x = 26,931.27

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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.