Home / 42,038.92-63,058.61-12,457.01

Finding the Fourth Proportional to 42,038.92, 63,058.61 and 12,457.01

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Solution

The fourth proportional to 42,038.92, 63,058.61 and 12,457.01 is: 18,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.92 : 63,058.61 = 12,457.01 : x
  2. Step 2: Convert to fraction form
    42,038.92/63,058.61 = 12,457.01/x
  3. Step 3: Cross multiply
    42,038.92x = 63,058.61 × 12,457.01
  4. Step 4: Simplify right side
    42,038.92x = 785,521,673.07
  5. Step 5: Solve for x
    x = 785,521,673.07/42,038.92
  6. Step 6: Final answer
    x = 18,685.58

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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.