Home / 60,533.07-90,800.05-21,090.12

Finding the Fourth Proportional to 60,533.07, 90,800.05 and 21,090.12

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Solution

The fourth proportional to 60,533.07, 90,800.05 and 21,090.12 is: 31,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,533.07 : 90,800.05 = 21,090.12 : x
  2. Step 2: Convert to fraction form
    60,533.07/90,800.05 = 21,090.12/x
  3. Step 3: Cross multiply
    60,533.07x = 90,800.05 × 21,090.12
  4. Step 4: Simplify right side
    60,533.07x = 1,914,983,950.51
  5. Step 5: Solve for x
    x = 1,914,983,950.51/60,533.07
  6. Step 6: Final answer
    x = 31,635.34

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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.