Home / 48,790.02-67,346.08-28,646.40

Finding the Fourth Proportional to 48,790.02, 67,346.08 and 28,646.40

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Solution

The fourth proportional to 48,790.02, 67,346.08 and 28,646.40 is: 39,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,790.02 : 67,346.08 = 28,646.40 : x
  2. Step 2: Convert to fraction form
    48,790.02/67,346.08 = 28,646.40/x
  3. Step 3: Cross multiply
    48,790.02x = 67,346.08 × 28,646.40
  4. Step 4: Simplify right side
    48,790.02x = 1,929,222,746.11
  5. Step 5: Solve for x
    x = 1,929,222,746.11/48,790.02
  6. Step 6: Final answer
    x = 39,541.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.