Home / 35,106.16-48,445.14-19,999.66

Finding the Fourth Proportional to 35,106.16, 48,445.14 and 19,999.66

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Solution

The fourth proportional to 35,106.16, 48,445.14 and 19,999.66 is: 27,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.16 : 48,445.14 = 19,999.66 : x
  2. Step 2: Convert to fraction form
    35,106.16/48,445.14 = 19,999.66/x
  3. Step 3: Cross multiply
    35,106.16x = 48,445.14 × 19,999.66
  4. Step 4: Simplify right side
    35,106.16x = 968,886,328.65
  5. Step 5: Solve for x
    x = 968,886,328.65/35,106.16
  6. Step 6: Final answer
    x = 27,598.76

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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.