Home / 35,510.19-49,009.86-21,171.84

Finding the Fourth Proportional to 35,510.19, 49,009.86 and 21,171.84

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Solution

The fourth proportional to 35,510.19, 49,009.86 and 21,171.84 is: 29,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,510.19 : 49,009.86 = 21,171.84 : x
  2. Step 2: Convert to fraction form
    35,510.19/49,009.86 = 21,171.84/x
  3. Step 3: Cross multiply
    35,510.19x = 49,009.86 × 21,171.84
  4. Step 4: Simplify right side
    35,510.19x = 1,037,628,914.34
  5. Step 5: Solve for x
    x = 1,037,628,914.34/35,510.19
  6. Step 6: Final answer
    x = 29,220.60

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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.