Home / 53,013.02-79,502.51-23,430.20

Finding the Fourth Proportional to 53,013.02, 79,502.51 and 23,430.20

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Solution

The fourth proportional to 53,013.02, 79,502.51 and 23,430.20 is: 35,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.02 : 79,502.51 = 23,430.20 : x
  2. Step 2: Convert to fraction form
    53,013.02/79,502.51 = 23,430.20/x
  3. Step 3: Cross multiply
    53,013.02x = 79,502.51 × 23,430.20
  4. Step 4: Simplify right side
    53,013.02x = 1,862,759,370.86
  5. Step 5: Solve for x
    x = 1,862,759,370.86/53,013.02
  6. Step 6: Final answer
    x = 35,137.77

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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.