Home / 42,508.02-63,762.30-12,925.74

Finding the Fourth Proportional to 42,508.02, 63,762.30 and 12,925.74

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Solution

The fourth proportional to 42,508.02, 63,762.30 and 12,925.74 is: 19,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508.02 : 63,762.30 = 12,925.74 : x
  2. Step 2: Convert to fraction form
    42,508.02/63,762.30 = 12,925.74/x
  3. Step 3: Cross multiply
    42,508.02x = 63,762.30 × 12,925.74
  4. Step 4: Simplify right side
    42,508.02x = 824,174,911.60
  5. Step 5: Solve for x
    x = 824,174,911.60/42,508.02
  6. Step 6: Final answer
    x = 19,388.69

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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.