Home / 53,746.63-80,634.53-18,689.02

Finding the Fourth Proportional to 53,746.63, 80,634.53 and 18,689.02

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Solution

The fourth proportional to 53,746.63, 80,634.53 and 18,689.02 is: 28,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,746.63 : 80,634.53 = 18,689.02 : x
  2. Step 2: Convert to fraction form
    53,746.63/80,634.53 = 18,689.02/x
  3. Step 3: Cross multiply
    53,746.63x = 80,634.53 × 18,689.02
  4. Step 4: Simplify right side
    53,746.63x = 1,506,980,343.86
  5. Step 5: Solve for x
    x = 1,506,980,343.86/53,746.63
  6. Step 6: Final answer
    x = 28,038.60

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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.