Home / 42,230.32-63,075.74-38,221.60

Finding the Fourth Proportional to 42,230.32, 63,075.74 and 38,221.60

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Solution

The fourth proportional to 42,230.32, 63,075.74 and 38,221.60 is: 57,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,230.32 : 63,075.74 = 38,221.60 : x
  2. Step 2: Convert to fraction form
    42,230.32/63,075.74 = 38,221.60/x
  3. Step 3: Cross multiply
    42,230.32x = 63,075.74 × 38,221.60
  4. Step 4: Simplify right side
    42,230.32x = 2,410,855,703.98
  5. Step 5: Solve for x
    x = 2,410,855,703.98/42,230.32
  6. Step 6: Final answer
    x = 57,088.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.