Home / 42,037.17-63,064.98-12,457.32

Finding the Fourth Proportional to 42,037.17, 63,064.98 and 12,457.32

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Solution

The fourth proportional to 42,037.17, 63,064.98 and 12,457.32 is: 18,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.17 : 63,064.98 = 12,457.32 : x
  2. Step 2: Convert to fraction form
    42,037.17/63,064.98 = 12,457.32/x
  3. Step 3: Cross multiply
    42,037.17x = 63,064.98 × 12,457.32
  4. Step 4: Simplify right side
    42,037.17x = 785,620,636.65
  5. Step 5: Solve for x
    x = 785,620,636.65/42,037.17
  6. Step 6: Final answer
    x = 18,688.71

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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.